Move protocol.c into SP tree (it is SP specific.)

Also, remove an extraneous initialization call.

2 files changed, 29 insertions, 0 deletions

diff --git a/src/sp/CMakeLists.txt b/src/sp/CMakeLists.txt
index aa790c09..4704f802 100644
--- a/src/sp/CMakeLists.txt
+++ b/src/sp/CMakeLists.txt
@@ -13,6 +13,7 @@ add_subdirectory(protocol)
 add_subdirectory(transport)
 
 nng_sources(
+        protocol.c
         transport.c
         transport.h
 )
diff --git a/src/sp/protocol.c b/src/sp/protocol.c
new file mode 100644
index 00000000..512b27cc
--- /dev/null
+++ b/src/sp/protocol.c
@@ -0,0 +1,28 @@
+//
+// Copyright 2021 Staysail Systems, Inc. <info@staysail.tech>
+// Copyright 2018 Capitar IT Group BV <info@capitar.com>
+//
+// This software is supplied under the terms of the MIT License, a
+// copy of which should be located in the distribution where this
+// file was obtained (LICENSE.txt).  A copy of the license may also be
+// found online at https://opensource.org/licenses/MIT.
+//
+
+#include <string.h>
+
+#include "core/nng_impl.h"
+
+
+int
+nni_proto_open(nng_socket *sip, const nni_proto *proto)
+{
+	int       rv;
+	nni_sock *sock;
+
+	if ((rv = nni_sock_open(&sock, proto)) == 0) {
+		nng_socket s;
+		s.id     = nni_sock_id(sock); // Keep socket held open.
+		*sip     = s;
+	}
+	return (rv);
+}